#91C955 · #CCB711
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 100/100 (analogous) · Distinguishable 81/100 (easy to tell apart) · Match 18/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Yellow Green and Yellow are very different (ΔE 37). They have distinctly different hues (36° apart) and their lightness is similar, so they read as two same-weight colours.
Yellow Green text on Yellow: 1.03:1 (Fail); Yellow text on Yellow Green: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #305000 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 100/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #305000 clears AA.
Their CIE76 ΔE is about 37 — very different.
clearly different colours (ΔE 37).
Explore each color: Yellow Green #91C955 · Yellow #CCB711 · Shades: Yellow Green shades · Yellow shades · Contrast checker →